Release 4.7 drivers/staging/fsl-mc/include/dprc.h
/* Copyright 2013-2015 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the above-listed copyright holders nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _FSL_DPRC_H
#define _FSL_DPRC_H
#include "mc-cmd.h"
/* Data Path Resource Container API
* Contains DPRC API for managing and querying DPAA resources
*/
struct fsl_mc_io;
/**
* Set this value as the icid value in dprc_cfg structure when creating a
* container, in case the ICID is not selected by the user and should be
* allocated by the DPRC from the pool of ICIDs.
*/
#define DPRC_GET_ICID_FROM_POOL (u16)(~(0))
/**
* Set this value as the portal_id value in dprc_cfg structure when creating a
* container, in case the portal ID is not specifically selected by the
* user and should be allocated by the DPRC from the pool of portal ids.
*/
#define DPRC_GET_PORTAL_ID_FROM_POOL (int)(~(0))
int dprc_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int container_id,
u16 *token);
int dprc_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/**
* Container general options
*
* These options may be selected at container creation by the container creator
* and can be retrieved using dprc_get_attributes()
*/
/* Spawn Policy Option allowed - Indicates that the new container is allowed
* to spawn and have its own child containers.
*/
#define DPRC_CFG_OPT_SPAWN_ALLOWED 0x00000001
/* General Container allocation policy - Indicates that the new container is
* allowed to allocate requested resources from its parent container; if not
* set, the container is only allowed to use resources in its own pools; Note
* that this is a container's global policy, but the parent container may
* override it and set specific quota per resource type.
*/
#define DPRC_CFG_OPT_ALLOC_ALLOWED 0x00000002
/* Object initialization allowed - software context associated with this
* container is allowed to invoke object initialization operations.
*/
#define DPRC_CFG_OPT_OBJ_CREATE_ALLOWED 0x00000004
/* Topology change allowed - software context associated with this
* container is allowed to invoke topology operations, such as attach/detach
* of network objects.
*/
#define DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED 0x00000008
/* AIOP - Indicates that container belongs to AIOP. */
#define DPRC_CFG_OPT_AIOP 0x00000020
/* IRQ Config - Indicates that the container allowed to configure its IRQs. */
#define DPRC_CFG_OPT_IRQ_CFG_ALLOWED 0x00000040
/**
* struct dprc_cfg - Container configuration options
* @icid: Container's ICID; if set to 'DPRC_GET_ICID_FROM_POOL', a free
* ICID value is allocated by the DPRC
* @portal_id: Portal ID; if set to 'DPRC_GET_PORTAL_ID_FROM_POOL', a free
* portal ID is allocated by the DPRC
* @options: Combination of 'DPRC_CFG_OPT_<X>' options
* @label: Object's label
*/
struct dprc_cfg {
u16 icid;
int portal_id;
u64 options;
char label[16];
};
int dprc_create_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dprc_cfg *cfg,
int *child_container_id,
u64 *child_portal_offset);
int dprc_destroy_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id);
int dprc_reset_container(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id);
/* IRQ */
/* IRQ index */
#define DPRC_IRQ_INDEX 0
/* Number of dprc's IRQs */
#define DPRC_NUM_OF_IRQS 1
/* DPRC IRQ events */
/* IRQ event - Indicates that a new object added to the container */
#define DPRC_IRQ_EVENT_OBJ_ADDED 0x00000001
/* IRQ event - Indicates that an object was removed from the container */
#define DPRC_IRQ_EVENT_OBJ_REMOVED 0x00000002
/* IRQ event - Indicates that resources added to the container */
#define DPRC_IRQ_EVENT_RES_ADDED 0x00000004
/* IRQ event - Indicates that resources removed from the container */
#define DPRC_IRQ_EVENT_RES_REMOVED 0x00000008
/* IRQ event - Indicates that one of the descendant containers that opened by
* this container is destroyed
*/
#define DPRC_IRQ_EVENT_CONTAINER_DESTROYED 0x00000010
/* IRQ event - Indicates that on one of the container's opened object is
* destroyed
*/
#define DPRC_IRQ_EVENT_OBJ_DESTROYED 0x00000020
/* Irq event - Indicates that object is created at the container */
#define DPRC_IRQ_EVENT_OBJ_CREATED 0x00000040
/**
* struct dprc_irq_cfg - IRQ configuration
* @paddr: Address that must be written to signal a message-based interrupt
* @val: Value to write into irq_addr address
* @irq_num: A user defined number associated with this IRQ
*/
struct dprc_irq_cfg {
phys_addr_t paddr;
u32 val;
int irq_num;
};
int dprc_set_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
struct dprc_irq_cfg *irq_cfg);
int dprc_get_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
int *type,
struct dprc_irq_cfg *irq_cfg);
int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 en);
int dprc_get_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 *en);
int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 mask);
int dprc_get_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *mask);
int dprc_get_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *status);
int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 status);
/**
* struct dprc_attributes - Container attributes
* @container_id: Container's ID
* @icid: Container's ICID
* @portal_id: Container's portal ID
* @options: Container's options as set at container's creation
* @version: DPRC version
*/
struct dprc_attributes {
int container_id;
u16 icid;
int portal_id;
u64 options;
/**
* struct version - DPRC version
* @major: DPRC major version
* @minor: DPRC minor version
*/
struct {
u16 major;
u16 minor;
}
version;
};
int dprc_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dprc_attributes *attributes);
int dprc_set_res_quota(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
char *type,
u16 quota);
int dprc_get_res_quota(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
char *type,
u16 *quota);
/* Resource request options */
/* Explicit resource ID request - The requested objects/resources
* are explicit and sequential (in case of resources).
* The base ID is given at res_req at base_align field
*/
#define DPRC_RES_REQ_OPT_EXPLICIT 0x00000001
/* Aligned resources request - Relevant only for resources
* request (and not objects). Indicates that resources base ID should be
* sequential and aligned to the value given at dprc_res_req base_align field
*/
#define DPRC_RES_REQ_OPT_ALIGNED 0x00000002
/* Plugged Flag - Relevant only for object assignment request.
* Indicates that after all objects assigned. An interrupt will be invoked at
* the relevant GPP. The assigned object will be marked as plugged.
* plugged objects can't be assigned from their container
*/
#define DPRC_RES_REQ_OPT_PLUGGED 0x00000004
/**
* struct dprc_res_req - Resource request descriptor, to be used in assignment
* or un-assignment of resources and objects.
* @type: Resource/object type: Represent as a NULL terminated string.
* This string may received by using dprc_get_pool() to get resource
* type and dprc_get_obj() to get object type;
* Note: it is not possible to assign/un-assign DPRC objects
* @num: Number of resources
* @options: Request options: combination of DPRC_RES_REQ_OPT_ options
* @id_base_align: In case of explicit assignment (DPRC_RES_REQ_OPT_EXPLICIT
* is set at option), this field represents the required base ID
* for resource allocation; In case of aligned assignment
* (DPRC_RES_REQ_OPT_ALIGNED is set at option), this field
* indicates the required alignment for the resource ID(s) -
* use 0 if there is no alignment or explicit ID requirements
*/
struct dprc_res_req {
char type[16];
u32 num;
u32 options;
int id_base_align;
};
int dprc_assign(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int container_id,
struct dprc_res_req *res_req);
int dprc_unassign(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int child_container_id,
struct dprc_res_req *res_req);
int dprc_get_pool_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *pool_count);
int dprc_get_pool(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int pool_index,
char *type);
int dprc_get_obj_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *obj_count);
/* Objects Attributes Flags */
/* Opened state - Indicates that an object is open by at least one owner */
#define DPRC_OBJ_STATE_OPEN 0x00000001
/* Plugged state - Indicates that the object is plugged */
#define DPRC_OBJ_STATE_PLUGGED 0x00000002
/**
* Shareability flag - Object flag indicating no memory shareability.
* the object generates memory accesses that are non coherent with other
* masters;
* user is responsible for proper memory handling through IOMMU configuration.
*/
#define DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY 0x0001
/**
* struct dprc_obj_desc - Object descriptor, returned from dprc_get_obj()
* @type: Type of object: NULL terminated string
* @id: ID of logical object resource
* @vendor: Object vendor identifier
* @ver_major: Major version number
* @ver_minor: Minor version number
* @irq_count: Number of interrupts supported by the object
* @region_count: Number of mappable regions supported by the object
* @state: Object state: combination of DPRC_OBJ_STATE_ states
* @label: Object label
* @flags: Object's flags
*/
struct dprc_obj_desc {
char type[16];
int id;
u16 vendor;
u16 ver_major;
u16 ver_minor;
u8 irq_count;
u8 region_count;
u32 state;
char label[16];
u16 flags;
};
int dprc_get_obj(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int obj_index,
struct dprc_obj_desc *obj_desc);
int dprc_get_obj_desc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
struct dprc_obj_desc *obj_desc);
int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 irq_index,
struct dprc_irq_cfg *irq_cfg);
int dprc_get_obj_irq(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 irq_index,
int *type,
struct dprc_irq_cfg *irq_cfg);
int dprc_get_res_count(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *type,
int *res_count);
/**
* enum dprc_iter_status - Iteration status
* @DPRC_ITER_STATUS_FIRST: Perform first iteration
* @DPRC_ITER_STATUS_MORE: Indicates more/next iteration is needed
* @DPRC_ITER_STATUS_LAST: Indicates last iteration
*/
enum dprc_iter_status {
DPRC_ITER_STATUS_FIRST = 0,
DPRC_ITER_STATUS_MORE = 1,
DPRC_ITER_STATUS_LAST = 2
};
/**
* struct dprc_res_ids_range_desc - Resource ID range descriptor
* @base_id: Base resource ID of this range
* @last_id: Last resource ID of this range
* @iter_status: Iteration status - should be set to DPRC_ITER_STATUS_FIRST at
* first iteration; while the returned marker is DPRC_ITER_STATUS_MORE,
* additional iterations are needed, until the returned marker is
* DPRC_ITER_STATUS_LAST
*/
struct dprc_res_ids_range_desc {
int base_id;
int last_id;
enum dprc_iter_status iter_status;
};
int dprc_get_res_ids(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *type,
struct dprc_res_ids_range_desc *range_desc);
/* Region flags */
/* Cacheable - Indicates that region should be mapped as cacheable */
#define DPRC_REGION_CACHEABLE 0x00000001
/**
* enum dprc_region_type - Region type
* @DPRC_REGION_TYPE_MC_PORTAL: MC portal region
* @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region
*/
enum dprc_region_type {
DPRC_REGION_TYPE_MC_PORTAL,
DPRC_REGION_TYPE_QBMAN_PORTAL
};
/**
* struct dprc_region_desc - Mappable region descriptor
* @base_offset: Region offset from region's base address.
* For DPMCP and DPRC objects, region base is offset from SoC MC portals
* base address; For DPIO, region base is offset from SoC QMan portals
* base address
* @size: Region size (in bytes)
* @flags: Region attributes
* @type: Portal region type
*/
struct dprc_region_desc {
u32 base_offset;
u32 size;
u32 flags;
enum dprc_region_type type;
};
int dprc_get_obj_region(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
u8 region_index,
struct dprc_region_desc *region_desc);
int dprc_set_obj_label(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
char *obj_type,
int obj_id,
char *label);
/**
* struct dprc_endpoint - Endpoint description for link connect/disconnect
* operations
* @type: Endpoint object type: NULL terminated string
* @id: Endpoint object ID
* @if_id: Interface ID; should be set for endpoints with multiple
* interfaces ("dpsw", "dpdmux"); for others, always set to 0
*/
struct dprc_endpoint {
char type[16];
int id;
int if_id;
};
/**
* struct dprc_connection_cfg - Connection configuration.
* Used for virtual connections only
* @committed_rate: Committed rate (Mbits/s)
* @max_rate: Maximum rate (Mbits/s)
*/
struct dprc_connection_cfg {
u32 committed_rate;
u32 max_rate;
};
int dprc_connect(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint1,
const struct dprc_endpoint *endpoint2,
const struct dprc_connection_cfg *cfg);
int dprc_disconnect(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint);
int dprc_get_connection(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dprc_endpoint *endpoint1,
struct dprc_endpoint *endpoint2,
int *state);
#endif /* _FSL_DPRC_H */
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